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Finding the Fourth Proportional to 123,797.80, 185,709 and 44,918.18

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Solution

The fourth proportional to 123,797.80, 185,709 and 44,918.18 is: 67,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,797.80 : 185,709 = 44,918.18 : x
  2. Step 2: Convert to fraction form
    123,797.80/185,709 = 44,918.18/x
  3. Step 3: Cross multiply
    123,797.80x = 185,709 × 44,918.18
  4. Step 4: Simplify right side
    123,797.80x = 8,341,710,289.62
  5. Step 5: Solve for x
    x = 8,341,710,289.62/123,797.80
  6. Step 6: Final answer
    x = 67,381.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.